203142433302123 has 32 divisors (see below), whose sum is σ = 309922228256256. Its totient is φ = 115941953207808.

The previous prime is 203142433302089. The next prime is 203142433302143. The reversal of 203142433302123 is 321203334241302.

It is not a de Polignac number, because 203142433302123 - 2¹² = 203142433298027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203142433302143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 704069536 + ... + 704358002.

It is an arithmetic number, because the mean of its divisors is an integer number (9685069633008).

Almost surely, 2^{203142433302123} is an apocalyptic number.

203142433302123 is a deficient number, since it is larger than the sum of its proper divisors (106779794954133).

203142433302123 is a wasteful number, since it uses less digits than its factorization.

203142433302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328643.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 203142433302123 its reverse (321203334241302), we get a palindrome (524345767543425).

The spelling of 203142433302123 in words is "two hundred three trillion, one hundred forty-two billion, four hundred thirty-three million, three hundred two thousand, one hundred twenty-three".